- Added configurable request ID header with case‑insensitivity support and a beforeHandler for setNotFoundHandler (new feature).
- Fixed several bugs: request ID handling, TypeScript listen types, multipart form parsing, and other issue resolutions (bugfix).
- Extensively updated documentation (Ecosystem, Middlewares, Reply) and renamed swaggergen to openapi, which may break existing imports (docs, breaking).
v1.8.0
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Fix for two Fastify security advisories (GHSA‑w2qp‑rph6‑63g4 and GHSA‑3m5p‑2c4r‑xxw2).
Added per‑route logging for Google Cloud Functions and introduced `Reply.prototype.mediaType` for easier content‑type handling.
Fixed trailer state clearing when removing all trailers and corrected requestCompleted handling to use null instead of undefined.